... , Bearing: ball bearing; Competitive price and high quality We can offer various rc servo motors;1) Micro rc servomotor: 1.5 gram, 3gram, 3 ... torque, 13 kg torque, 15 kg torque3) analog and digital4) high torque: 17 kg torque, 20 kg torque, 33 kg torque ... , 40 kg torque etc5) We can offer OEM service high torque rc servo motor